Khanna, M. L. (1999). Differential equations: For honours and post-graduate classes. Jai Prakash Nath & Co..
Cita Chicago (17th ed.)Khanna, M. L. Differential Equations: For Honours and Post-graduate Classes. Meerut, India: Jai Prakash Nath & Co., 1999.
Cita MLA (8th ed.)Khanna, M. L. Differential Equations: For Honours and Post-graduate Classes. Jai Prakash Nath & Co., 1999.
Atenció: Aquestes cites poden no estar 100% correctes.